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MR-J4-70A Mitsubishi

Original price $333.66 - Original price $3,060.00
Original price
$333.66
$333.66 - $3,060.00
Current price $333.66
Surplus - Tested (With Warranty)
Need a Specific Revision?
$333.66
3 in stock
New / Open-Box Surplus
Need a Specific Revision?
$3,060.00
4 in stock
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Product Details

Description · Specifications · Product Overview

Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.

Product Overview

The MR-J4-70A is a single-axis servo amplifier in Mitsubishi Electric's MELSERVO-J4 series, designed to drive compatible rotary servo motors such as the HG-KR73(B). Its role in control systems is amplification and closed-loop control of servo motor current, speed and position. It finds use in machine tools, assembly robots, packaging systems, and general motion control requiring precise servo performance. MR-J4-70A supports high-speed serial communication and safe torque off (STO) functional safety.

Best Suited For

  • Pairing with HG-KR73(B) servo motors
  • Single-axis positioning applications
  • Integration into machine tool or packaging systems
  • Functional safety systems using STO
Main circuit voltage
200-240 VAC (3-phase or 1-phase)
Rated output current
5.8 A
Control circuit power consumption
30 W
Structure / IP rating
Force-cooled, open (IP20)
Weight
1.30 kg

Technical Specifications

I/O & Electrical

Main circuit voltage/frequency
3-phase or 1-phase 200 VAC to 240 VAC, 50/60 Hz
Permissible main circuit voltage fluctuation
170 VAC to 264 VAC
Rated main circuit current
3.8 A
Rated output current
5.8 A
Control circuit voltage/frequency
1-phase 200 to 240 VAC, 50/60 Hz
Control circuit rated current
0.2 A
Control circuit power consumption
30 W
Interface power voltage supply
24 V DC
Built-in regenerative resistance
20 W
Inverse efficiency
85 %

Communication & Power

Maximum input pulse frequency
4 M pulses/s (differential), 200 kpps (open collector)

Physical & Environmental

Structure / enclosure
Force-cooled, open (IP20)
Weight
1.30 kg

Certifications

IEC/EN 61800-5-2 STOEN ISO 13849-1 PL eIEC 61508 SIL 3EN 62061 SIL CL 3

Supports functional safety STO per IEC/EN 61800-5-2, EN ISO 13849-1 PL e, IEC 61508 SIL 3, EN 62061 SIL CL 3; Open-frame cooling, IP20.

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Sourced and shipped from Texas, USA. Never anonymous overseas marketplace stock.

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Rockwell Automation documentation

Access official manuals, datasheets, and lifecycle information for this part directly from Rockwell Automation.

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Must Read: Disclaimer

PLC Department sells surplus and refurbished industrial automation products, including but not limited to programmable logic controllers (PLCs), which are sourced exclusively through independent third-party channels. PLC Department is not an authorized distributor, reseller, or representative of any manufacturer listed on this website, including Rockwell Automation or its Allen-Bradley brand. All product warranties, where offered, are provided solely by PLC Department and not by the original manufacturer.

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